Joel m



V@uitten gisten gamut @ffice JOEL 1in-WHEELER, CrCXrC RD, CONNECTICUT.

Letters .Patent No. 72,348, dated Decemben17, 1867.

IMPROVED STEAM-JET FOR GLEANING BOILERTUBES.

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Be it known that I, JOEL M. WHEELER, of Oxford, in the county of NewHaven, and State of Connecticut, have invented a new and usefulImprovement in Cleaning Boiler-Flues, die.; andl do hereby declare thatthe following is a full, clear, and exact description thereof, whichwill enable others skilled in the art to make and us'e the same,reference being had to the accompanying drawings, forming part of thisspecification, in which- Figure 1 is a. longitudinal central section ofone form of, the instrument for applying my invention, taken through theline x zf, iig. 2.

Figure 2 is a cross-section of the same, taken through the line .fr fr,iig. 1.

Figure 3 is a longitudinal section of another form of' the same, takenthrough the line y y', g. 4.

Figure 4 is a cross-section of the same, taken through the line y y,iig, 3.

Figure 5 is a side view of another form of the same.

Figure 6 is a longitudinal section of the same, taken through the line cc, tig. 7.

Figure 7 is a longitudinal sectionof the same,I taken through the line ze', fig. 5.

My invention has for its object to furnish an improved means forcleaning the tubes, fines, tube-boxes, dac., of steam-boilers easily,conveniently, and thoroughly, which may be applied'withou't hauling thefires, or while the ship is under way, and which cannot injure the fluesor cause them to leak; and it consists in the construed tion of a devicehaving angular jets for thc passage of steam, and in the means by whichsaidjets are rendered available.

This improvement was originally devised for removing'the ashes, dre.,and cleaning out the spaces between the tubes in boilers, and is equallyapplicable to vertical or horizontal boilers.

VA, B, and C are heads, which are designed to introduce the angularsteam-jets int'o the spaces tobe cleaned. The head A, which is designedmore particularly-to be used-in cleaning the spaces between the tubes ofvertical boilers, is made in three pieces, a1 ai a, which are secured toeach other by screws passing through the part or piece a3, and throughlugs, a, cast upon the inner surfaces of the parts a'l audaz, as shownin the drawings. All around the en d piece a3 is formed a narrow spaceor opening, incliuing outward, through which thejet of steam escapes inthin sheets, so as to have a rectangular form in its cross-section, thisform of thejet enabling the steam to act upon the forward sides of thetubes, Awhere brushes could not reach, and the tendency being toconcentrate the ashes and drive them, through the space through whichthe head A is being passed, into the hack connection, whence they can bereadily removed. Through the Amiddle of. the end piece ais formed a'.circular hole, for the passage of a jet of steam to assist .in drivingthe ashes through the space between the tubes into thc back connection,the end slits or spaces in the head A also enabling the steam to cleanoil` the upper and lower sheets of thc tube-box. Upon the sides of thehead A, between the pieces al and a2, are slots or spaces, incliningbackward, as shown in ig.i7,lthroughwhich jets of steam pass in such adirection as to clean off the rear sides of the tubes, so` that theashes may be wholly removed from the tube-box, and the tubes cleanedthoroughly upon all sides. A Y In the case of horizontal boilers, Iprefer to make the head round or cylindricah'as. shown in iigs. 1, 2, 3,and 4. The head B is made in two pieces, b and b2, which are securedtogether. by'screws, passing through the end piece b2, and through lugs,63, formed upon the inner surface of the part b1. lThe pieces Il and b2are sp formed as to leave a circular slot or space all around betweenthe parts 61 and b2, as shown in gs. 3 and 4, said space or slotinclin'ing outward, as shownin iig. 8, so as to drive the ashes from theinner surface ofthe llues, and drive them back into the rear connection.'g'lo assist the angularjet to do this, a circularhole is formed throughthe centre of the piece b2, for the passage of a centraljet, as shown ings. 3 and 4. In case the boilers are so constructed and arranged that itmay be inconvenient or dithcult to getl at the'rear connection, toremove the ashes, a head, C, made as shown in i:igs. 1 and 2, maybeused. The head C is made in two'parts, c1 and c, connected to each otherby a screw, passingl through the centre of the part c2, andscrewingintothe end of the part c1, as shown in fig. 1. The sides ot' the inner endof the part ci are cut away, except enoughto support the end into whichthe connecting-screw enters, so that the steam-may escape freely. Thepiece c2 is made cup or bell-shaped, as show-n in tig. 1, and has acircular slot or space formed between its edge andthe side or shoulderof the part c1, as shown in iig. 1. This slot inclines backward, asshown in fig. 1, so that the circular jet of steam may strike the sidesof the flue at an ongle, as the heed C is being passed through said Hue,and drive the ashes into the font connection, wvhence they may beconveniently removed. A

The heads A, B, and C, have screw-threads upon the inner surface oftheir reef ends, so that they may be conveniently attached to a. pieceof g'ns or other suitable rigid pipe, which, for convenience, should belonger than the space or tluc into which thc heed is to be passed, therear eri/d of which pipe should bc connected with the steamspace of theboiler by a. flexible steam-pipe.

I claim as new, and desire to secure by Letters Potent- The head A,constructed with inclined slots ox' openings, substantially as hereinshown and described. sind fox'. the purpose set forth. i 4

The above speeicaton of my invention signed by`me, this 24th day ofJuly, 1867.

J'. M. WHEELER.

Witnesses: y

C. A. NASH,

W. TAYLOR.'

